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Question 91420: solve each of the following systems by addition. if a unique solution does not exist, state whether the system is inconsistent or dependent.
x + 5y = 10 and -2x -10y = -20
Click here to see answer by jim_thompson5910(35256)

Question 91417: find the value for m and b in the following system so that the solution to the sysytem is (-3, 4)
5x+7y =b
and
mx+y = 22
thank you for the help
Click here to see answer by uma(370)

Question 91418: solve each of the following sysytems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
2x + 3y =1 and 5x + 3y =16
Click here to see answer by ankor@dixie-net.com(22740)

Question 91616: Solve by substitution x + 5y = 0
-2x -4y = 6
Got a test and I still can't grasp this. Any help is appreciated.
Click here to see answer by stanbon(75887)

Question 91616: Solve by substitution x + 5y = 0
-2x -4y = 6
Got a test and I still can't grasp this. Any help is appreciated.
Click here to see answer by praseenakos@yahoo.com(507)

Question 91617: Lane invested $14000 part at 15% and part at 2%. If the total interest at the end of the year is $1060, how much did she invest at 15%. Please help. What formula could I use?
Click here to see answer by stanbon(75887)

Question 91660: Solve for x:
(x � 2)/5 � 3/2 = (x + 1)/10
I have tried this and came up with 3 1/2 or 3.5. When I replaced the x with this solution and worked out both sides, the answer on both sides of the = where different.
I am stumped and even my sister who is 30 and just finished her algebra course could not figure it out.
Please help me to figure out where to begin.
Click here to see answer by ankor@dixie-net.com(22740)

Question 91076: solve 8x-5+9x=17x-5. Describe the type of answer if applicable
Click here to see answer by bucky(2189)

Question 91872: How do you change slope intercept equation like y=-3/4x+3 into a standard equation?
Click here to see answer by stanbon(75887)

Question 91933: this is part of my summer math work and i dont know how to solve it ...

Click here to see answer by funmath(2933)

Question 91980: I do not have a question from the book. I have a linear inequality of 5x + 10 y <= 100
Could you tell me how to graph this inequality? Thank you.
Click here to see answer by mathispowerful(115)

Question 91934: this is part of my summer math work and i dont know how to solve it ...

i tried to use the solver on here but it doesnt explain HOW to get the answer.
Click here to see answer by homeworkhelpanytime(21)

Question 92089: Write an equation of a line passing thru (-4,2) perpendicular to -6x+5y=16
How do I set this problem up?
Click here to see answer by jim_thompson5910(35256)

Question 91882: Solve
2z/5 = z-1/3
Click here to see answer by ankor@dixie-net.com(22740)

Question 92112: if a line is horizontal,its slope is 1,0,underfined,negative
Click here to see answer by stanbon(75887)

Question 92107: I am sorry I do not have my book with me. I am not sure I am solving these two equations correctly could you please help?
Solve each of the following systems by subtitution:
1st problem:
5x - 2y = -5
y - 5x = 3
2nd problem:
4x - 12y = 5
-x + 3y = -1
Thank you for your help.

Click here to see answer by anraymer(35)

Question 92143: How do you write this in standard form: (5, -3),y=4x+2?
Click here to see answer by anraymer(35)

Question 92405: Yuri has a board that is 98in. long. He wishes to cut the board into two pieces so that one piece will be 10in. longer than the other. What should the length of each piece be?
Click here to see answer by checkley71(8403)

Question 92404: another word problem The sum of two consecutive integers is 145. Find the two integers.
Click here to see answer by checkley71(8403)

Question 92402: help with A=1/2h(B+b) (for b)
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Question 92403: Help to solve and figure out Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m, and the area is 224m2, i need t find the length of the other base . Word problems always gave me a hard time I really could not under stand them
Click here to see answer by checkley71(8403)

Question 92521: Ok, I answered this but I want to make sure that I got it right before turning it in.
Solve the system by addition or substitution.
3x � 4y = 8
6x � 2y = 10

Click here to see answer by jim_thompson5910(35256)

Question 92525: I am lost on this one
Solve the system by addition or substitution.
20x � 5y = �12
y = 4x + 3
A) (3, 4) B) (-3, -4) C) (3, -4) D) Inconsistent system (No solution)

Click here to see answer by jim_thompson5910(35256)

Question 92526: I picked B as my answer but I am not sure...
Solve the system by addition or substitution.
3x � 4y = 8
6x � 2y = 10
A) 4/3, -1 B) -4/3, -1 C) 4/3, 1 D) -4/3, 1

Click here to see answer by jim_thompson5910(35256)

Question 92527: Solve the system by substitution.
x + 5y = 0
�2x � 4y = 6
A) (�5, -1) B) (5, 1) C) (�5, 1) D) (5, -1)
I need help with the above question please.

Click here to see answer by jim_thompson5910(35256)

Question 92528: Solve the system by substitution.
3x � y = �7
x + y = �9
A) (�4, �5) B) (4, 5) C) (4, �5) D) (�4, 5)
Sorry but I just do not understand these at all
Click here to see answer by jim_thompson5910(35256)

Question 92544: 5x-4(x+9)=2x-3
5x-4x+36=2x-3
1x+36=2x-3
1x+36-1x=2x-3-1x
36=1x-3
36+3=1x-3+3
39=1x

Click here to see answer by jim_thompson5910(35256)

Question 92581: Solve �5x � 9 � 3x = �8x + 1
A) 0 B) 1 C) Identity D) No solution

Click here to see answer by uma(370)

Question 92568: the sum of two numbers is 44. One number is 12 more than the other. What are the numbers?
Click here to see answer by ankor@dixie-net.com(22740)

Question 92568: the sum of two numbers is 44. One number is 12 more than the other. What are the numbers?
Click here to see answer by tutorcecilia(2152)

Question 92620: Solve the system of equations:{3x+9y=7}
{2x+6y=1}
Click here to see answer by jim_thompson5910(35256)

Question 92625: Describe all the points in the 2nd and 3rd quadrants.

Click here to see answer by stanbon(75887)

Question 92621: Solve the system of equations: {2x+y-3z=1}
{3x-y+4z=6}
{x+2y-z=9}

Click here to see answer by jim_thompson5910(35256)

Question 92618: 1. Solve the system of equations: {y=3x-14}
{ y=5x-20 }

Click here to see answer by checkley75(3666)

Question 92622: A coin bank contains only pennies, dimes, and quarters. The value of the coins is $4.49. There are 5 more pennies than quarters. The number of dimes is 1.5 times the number of pennies. Find the number of each coin in the bank.
Click here to see answer by ankor@dixie-net.com(22740)

Question 92776: Solve the system of equations: {4x+y+5z=6}
{2x+2y-z=11}
{x+2y+2z=6}
Click here to see answer by Edwin McCravy(20056)

Question 92979: The sum of two numbers is 112. the second is 7 more than 4 times the first. What are the two numbers?
Click here to see answer by jim_thompson5910(35256)

Question 93165: An objective function is to be maximized given the following constraints: x + 2y <- 4, x - y <- 1, x >- 0, y >- 0. Find the vertices of the set of feasible solutions.
Thank you

Click here to see answer by mathispowerful(115)

Question 93162: Please help me!!! I am a coplete wreck with these
When the following system is solved: x + y>- 3, 2x + 3y >- 6, x > 0, and y > 0, the solutions lie in which quadrant(s)?

Click here to see answer by mathispowerful(115)

Question 93167: Solve the system of equations:
{8x-4y=12
{6x-3y=9
A. (-1, 1)
B. Dependent
C. Inconsistent
D. (1, -1)

Click here to see answer by jim_thompson5910(35256)

Question 93167: Solve the system of equations:
{8x-4y=12
{6x-3y=9
A. (-1, 1)
B. Dependent
C. Inconsistent
D. (1, -1)

Click here to see answer by scott8148(6628)

Question 93326: Solve each equation or system of equations.
y=x-3
7x-2y=21
Click here to see answer by checkley75(3666)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515